Oak Openings Region

The Oak Openings Region is a globally rare ecosystem composed of over {convert|130|sqmi|km2|sigfig=2} in Northwest Ohio. The land consists largely of oak savanna and grassland prairie. It is considered by The Nature Conservancy as having a similar ecological importance as the Florida Everglades and is one of the 200 `Last Great Places on Earth`......
Found on http://en.wikipedia.org/wiki/Oak_Openings_Region
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